Zip Code 90403
Santa Monica, California — Los Angeles County
📍 ZIP code 90403 is in Santa Monica, Los Angeles County, California.
ZIP code 90403 is located in Santa Monica, Los Angeles County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 25,087. The area code for ZIP code 90403 is 213.
Quick Answer
Zip code 90403 is in Santa Monica, California (Los Angeles County). It has a population of 25,087, median household income of $121,512, and median home value of $1,553,500.
Population
25,087
Income
$121,512
Home Value
$1,553,500
Climate
69°F / 50°F
About Zip Code 90403
Zip code 90403 is located in Santa Monica, California, within Los Angeles County. Home to approximately 25,087 residents, this area sits at an elevation of 188 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 213.
The median household income is $121,512 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $1,553,500, and the cost of living index is 250 (150% above the national average of 100).
Summers average a high of 69°F while winters drop to 50°F. The area receives about 12 in of rain annually. The zip code covers 1.4 square miles of land area and 0.1 square miles of water.
Key Statistics
25,087
$121,512
$1,553,500
Pacific (PST/PDT)
213
188 ft
1.4 sq mi
44.7
14,853
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Compare With Nearby Zip Codes
| Metric | 90403 | 90402 | 90404 | 90401 | 90405 | 90025 |
|---|---|---|---|---|---|---|
| City | Santa Monica, CA | Santa Monica, CA | Santa Monica, CA | Santa Monica, CA | Santa Monica, CA | Los Angeles, CA |
| Population | 25,087 | 11,178 | 22,881 | 7,925 | 26,809 | 45,238 |
| Median Income | $121,512 | $182,688 | $85,081 | $106,704 | $114,489 | $104,627 |
| Home Value | $1,553,500 | $2M+ | $1,159,500 | $1,129,700 | $1,940,700 | $1,081,400 |
| Cost of Living | 250 | 250 | 250 | 250 | 250 | 250 |
| Median Age | 44.7 | 50.9 | 41.2 | 36.4 | 42.2 | 34.7 |
Cost of Living
100 = National Average. Santa Monica's cost of living is 150% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
12.8x
Demographics
Zip code 90403 has a population of 25,087 people with a median age of 44.7. There are 14,853 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Santa Monica (90403) population trend from 2010 to 2024
↓ -4.7%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
69°F
50°F
12 in
0 in
Santa Monica experiences mild summers with average highs around 69°F. Winters are mild with lows averaging 50°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$1,553,500
Median Household Income
$121,512
With 14,853 housing units across 1.4 square miles, 90403 has a housing density of 10,609 units per square mile. The home price-to-income ratio is 12.8x.
Location & Geography
Latitude
34.0308°
Longitude
-118.4921°
Land Area
1.4 sq mi
Water Area
0.1 sq mi
Nearby Zip Codes
Zip codes closest to 90403 (Santa Monica, CA) with distances:
All Zip Codes in Santa Monica, CA
Other zip codes serving Santa Monica:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 90403's $121,512. A way to compare Santa Monica to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 90403 (Santa Monica, CA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Santa Monica, California?
Santa Monica, California uses zip code 90403 along with 4 other zip codes.
What county is zip code 90403 in?
Zip code 90403 is located in Los Angeles County, California.
What is the population of zip code 90403?
The population of zip code 90403 is 25,087 with a median age of 44.7.
Is 90403 in Santa Monica, California?
Yes, zip code 90403 is in Santa Monica, Los Angeles County, California. The area code is 213.
Frequently Asked Questions
What city is zip code 90403 in?
Zip code 90403 is in Santa Monica, California. It is part of Los Angeles County and uses the Pacific (PST/PDT) timezone.
What is zip code 90403?
Zip code 90403 is a U.S. postal code in Santa Monica, California (Los Angeles County). It has a population of 25,087 and covers 1.4 square miles.
What is the population of zip code 90403?
The population of zip code 90403 (Santa Monica, CA) is 25,087 with a median age of 44.7. There are approximately 14,853 housing units in this area.
What is the median income in zip code 90403?
The median household income in zip code 90403 (Santa Monica, CA) is $121,512 per year. The cost of living index is 250 (100 = national average).
What is the average home price in zip code 90403?
The median home value in zip code 90403 (Santa Monica, CA) is $1,553,500. The cost of living index is 250 compared to the national average of 100.
What county is zip code 90403 in?
Zip code 90403 is located in Los Angeles County, California. The primary city is Santa Monica.
What is the area code for zip code 90403?
Zip code 90403 in Santa Monica, CA uses area code 213. It is located in the Pacific (PST/PDT) timezone.
Is zip code 90403 a good place to live?
Zip code 90403 (Santa Monica, CA) has a cost of living index of 250 (100 = national average), a median household income of $121,512, and median home values of $1,553,500. The median age is 44.7. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 90403?
The cost of living index for zip code 90403 (Santa Monica, CA) is 250, where 100 represents the national average. This area is above the national average. Median home value: $1,553,500.
What schools serve zip code 90403?
Zip code 90403 in Santa Monica, California is served by the local school district of Los Angeles County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.